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Finding the Fourth Proportional to 292,031.94, 402,927.91 and 171,108.26

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Solution

The fourth proportional to 292,031.94, 402,927.91 and 171,108.26 is: 236,084.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,031.94 : 402,927.91 = 171,108.26 : x
  2. Step 2: Convert to fraction form
    292,031.94/402,927.91 = 171,108.26/x
  3. Step 3: Cross multiply
    292,031.94x = 402,927.91 × 171,108.26
  4. Step 4: Simplify right side
    292,031.94x = 68,944,292,654.11
  5. Step 5: Solve for x
    x = 68,944,292,654.11/292,031.94
  6. Step 6: Final answer
    x = 236,084.76

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.